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数学
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用简便方法计算(2+10)(4+1)(16+1).(2* 2*2.*2+1) {32个2相乘}
人气:222 ℃ 时间:2020-03-20 16:05:45
解答
(2+1)(4+1)(16+1).(2* 2*2.*2+1)
=(2-1)(2+1)(4+1)(16+1).(2* 2*2.*2+1)
=(4-1)(4+1)(16+1).(2* 2*2.*2+1)
=(16-1)(16+1).(2* 2*2.*2+1)
=……
=2的64次方-1
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